Any of you know if there are common HVAC problems with S10s?

kenny

No turbo, no care.
Joined
Apr 13, 2002
My daily is a 98 S10, 4.3, 4x4. Whenever I switch the heat to blow out the floor vents, I get no air on the floor, instead it comes out the defrost.

Is this a common problem? Where should I start looking?

I've tried some S10 forums with no luck...
 
Try looking on the vacuum label under the hood. You are having a vacuum problem. You need to trace the vacuum from the engine to the firewall.
 
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